42052345212 has 12 divisors (see below), whose sum is σ = 98122138856. Its totient is φ = 14017448400.

The previous prime is 42052345199. The next prime is 42052345217. The reversal of 42052345212 is 21254325024.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 42052345212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052345217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1752181039 + ... + 1752181062.

Almost surely, 2^42052345212 is an apocalyptic number.

It is an amenable number.

42052345212 is an abundant number, since it is smaller than the sum of its proper divisors (56069793644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42052345212 is a wasteful number, since it uses less digits than its factorization.

42052345212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504362108 (or 3504362106 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 42052345212 in words is "forty-two billion, fifty-two million, three hundred forty-five thousand, two hundred twelve".